| Answer | Crossword Clue |
|---|---|
| ENAMEL | Hardest substance in the human body |
| ENAMEL | Hardest substance of the body. |
| ENAMEL | Human body's hardest substance |
| OVUM | Largest cell in the human body |
| STAPES | Smallest bone in the human body |
| OVA | Largest cells in the human body |
| RNA | It's stranded in the human body |
| FEMUR | Longest bone in the human body |
| SCIATIC | ... nerve, the longest in the human body |
| ULNA | Fifth-longest bone in the human body |
| CALCIUM | Most common mineral in the human body |
| FEMUR | Longest and strongest bone in the human body |
